The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 27, 2021
Filed:
Dec. 05, 2019
Applicant:
Makita Corporation, Anjo, JP;
Inventor:
Tatsuo Nakashima, Anjo, JP;
Assignee:
MAKITA CORPORATION, Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 21/00 (2006.01); F16H 57/08 (2006.01); F02N 15/04 (2006.01); B25B 21/02 (2006.01); F16H 1/46 (2006.01);
U.S. Cl.
CPC ...
F16H 57/082 (2013.01); B25B 21/02 (2013.01); F02N 15/046 (2013.01); B25B 21/00 (2013.01); F16C 2361/61 (2013.01); F16H 1/46 (2013.01); F16H 2057/085 (2013.01);
Abstract
A spindle is radially and axially compact. An impact wrench includes a motor, a sun gear rotatable by the motor, a planetary gear meshing with the sun gear, an internal gear meshing with the planetary gear, a gear case holding the internal gear, a spindle holding the planetary gear, and a first bearing located between the gear case and the spindle, and supporting the spindle on an outer circumference and the gear case on an inner circumference.